Why Trade Marks Might Not Save You: The Limits of Brand Protection Against Reputation Attacks

Most Australian businesses treat trade mark registration as the foundation of their brand protection strategy. That approach is sound as far as it goes. A registered trade mark gives you enforceable rights against copycats, confusingly similar branding, and unauthorised use of your name or logo. It is, as the business name vs trade mark comparison makes clear, a far stronger position than business name registration alone.

But here is the problem that catches many companies off guard: a trade mark protects your brand identity. It does not protect your reputation. When someone publishes a false claim about your products, orchestrates a campaign of fake negative reviews, or spreads damaging misinformation to your customers and investors, your trade mark registration is legally irrelevant. The instrument you invested in does not address the harm you are suffering.

For Australian business owners facing negative review legal action or coordinated reputational attacks, understanding what trade marks can and cannot do is the first step toward building a defence that actually works.

What a Trade Mark Actually Protects

A registered trade mark under the Trade Marks Act 1995 (Cth) gives the owner exclusive rights to use that mark in relation to the goods or services for which it is registered. Infringement occurs when another party uses a substantially identical or deceptively similar mark in the course of trade for the same or closely related goods or services.

This is a powerful mechanism. It stops a competitor from launching a product under a name that confuses your customers. It prevents an overseas manufacturer from selling counterfeit goods bearing your logo. It allows you to license your brand, attract investors, and build goodwill that has measurable commercial value.

Legal precedent establishes that trade mark rights are tied to commercial use in relation to specific goods and services. They are not a general-purpose shield against reputational harm. A trade mark does not prevent someone from publishing a false review of your business. It does not stop a journalist from writing a defamatory article. It does not address a former employee making disparaging comments on social media. It does not protect you against a competitor telling your clients that your company is in financial trouble when it is not.

These are reputation attacks. They cause real damage. Trade mark law was never designed to address them.

Where Australian Businesses Get Caught Out

The misconception runs deep. Many business owners assume that because they own their brand name, they own their reputation in a legal sense. They conflate the two because, in everyday commercial life, the two are intertwined. Your brand name is how customers find you. Your reputation is why they choose you. But the legal tools that protect one are entirely different from those that address the other.

Consider the practical scenarios where trade marks offer no assistance:

• False negative reviews. A competitor or disgruntled party posts fabricated reviews claiming your product caused harm, your service was fraudulent, or your business engaged in misconduct. Your trade mark does not prevent this. Your remedy lies elsewhere.
• Coordinated online attacks. A group organises a campaign of negative posts, fake social media accounts, and misleading commentary designed to damage your standing. Trade mark law has no application here.
• Defamatory statements by competitors. A rival tells your customers, suppliers, or investors that your business is failing, that your directors are under investigation, or that your products are unsafe. These are false statements causing reputational and economic harm. A trade mark does not address them.
• Misleading conduct in trade. A competitor makes false representations about your business to divert customers. This may breach the Australian Consumer Law, but it is not a trade mark issue.
• Online misinformation. False claims about your business circulate on review platforms, social media, or industry forums. Trade mark registration provides no mechanism to have them removed or to recover damages.

In each of these scenarios, the business owner who has invested in trade mark protection but nothing else is left without a clear legal remedy.

The Legal Remedies That Actually Address Reputation Attacks

According to Australian corporate law, several causes of action exist that address reputational harm directly. These are the instruments that matter when your brand is under attack, and they operate independently of trade mark registration.

Misleading and Deceptive Conduct

Section 18 of the Australian Consumer Law prohibits conduct that is misleading or deceptive, or likely to mislead or deceive, in trade or commerce. This provision is broad. It captures false statements made by competitors about your business, misleading representations designed to divert your customers, and certain categories of false or misleading online content.

The Australian Competition and Consumer Commission has taken enforcement action in this space. In proceedings against HealthEngine, the Federal Court imposed $2.9 million in penalties, including for publishing misleading reviews. The case demonstrates that regulators treat false online content as a serious matter, though the primary beneficiary of ACCC action is the public rather than the individual business harmed.

Private litigants can also bring actions under section 18. A business that suffers loss because a competitor made false representations about it in trade or commerce may recover damages. The threshold is lower than defamation in some respects, and the remedy can include injunctions and corrective advertising orders. The High Court’s reasoning in Australian Broadcasting Corporation v O’Neill (2006) 227 CLR 57 remains instructive on the principles governing interlocutory injunctions in this context, particularly where the balance of convenience and the strength of the underlying cause of action must be weighed before urgent relief is granted.

Injurious Falsehood

Injurious falsehood is a common law tort that addresses false statements made about a person’s goods, services, or business that cause economic loss. Unlike defamation, injurious falsehood requires proof of actual damage. Unlike misleading conduct claims, it requires proof that the statement was false and that it was made with malice, meaning the publisher knew it was false or was reckless as to its truth.

Where those elements are established, injurious falsehood can be a powerful remedy. It is particularly useful where a competitor deliberately spreads false information about your business to gain commercial advantage. The requirement to prove malice makes it harder to establish than a section 18 claim, but it also opens the door to aggravated damages in appropriate cases. The tort has been considered in decisions such as Palmer Bruyn & Parker Pty Ltd v Parsons (2001) 208 CLR 388, where the High Court examined the necessary causal connection between the false statement and the loss claimed.

Interference with Business Relations

The tort of interference with contractual relations or business relations addresses conduct designed to damage your commercial relationships. If a competitor or other party uses false statements, threats, or improper means to cause your customers or suppliers to cease dealing with you, this cause of action may apply.

These claims are fact-specific. They require evidence that the defendant engaged in conduct intended to procure a breach of contract or to damage your business relationships, and that the conduct caused loss. Where the evidence supports it, the remedy can include damages for lost profits and injunctive relief to stop ongoing interference.

Defamation: Still Relevant, But Not Always Available

Australia’s uniform defamation laws allow individuals to sue for reputational harm caused by false publications. However, the ability of corporations to sue for defamation is severely restricted. The uniform Defamation Acts have been enacted in all Australian states and territories, and under section 9 of each of those Acts, including the Defamation Act 2005 (NSW), the Defamation Act 2005 (Vic), the Defamation Act 2005 (Qld), the Defamation Act 2005 (WA), the Defamation Act 2005 (SA), the Defamation Act 2005 (Tas), the Defamation Act 2006 (ACT) and the Defamation Act 2006 (NT), a corporation cannot bring a defamation claim unless it is a not-for-profit or employs fewer than 10 people.

This means most companies cannot sue for defamation at all. They must rely on the alternative causes of action described above. For large businesses facing corporate reputation legal remedies, this is a critical limitation that is often misunderstood.

As noted in guidance on managing negative online reviews, negative reviews may constitute defamation in some circumstances, but other legal and practical remedies may be pursued depending on the facts. For corporations, those other remedies are often the only avenue available.

Why This Gap Matters for Australian Businesses

The practical consequence of this legal framework is that Australian businesses face a two-front challenge. They need trade mark protection to secure their brand identity against copying and confusion. They also need a separate strategy to address reputational attacks that trade mark law cannot touch.

Companies that focus exclusively on trade marks are, in effect, defending the wrong flank. They have locked down the legal rights to their name and logo while leaving their reputation exposed to false statements, coordinated attacks, and misleading conduct that trade mark registration does nothing to prevent.

The businesses that manage reputational risk effectively understand the distinction. They invest in trade marks for the protection those rights provide. They also maintain a clear understanding of the alternative causes of action available under Australian law and the circumstances in which each may apply.

Building a Defence That Addresses the Real Threat

If your concern is copycats and confusingly similar branding, a trade mark is the right tool. If your concern is false allegations, coordinated negative reviews, or competitors spreading misinformation, you need a different set of legal instruments.

The starting point is recognising that reputation and brand identity are not the same thing in law, even though they are closely connected in commercial reality. Once that distinction is clear, you can assess your exposure accurately and build a strategy that addresses the threats you actually face.

For businesses dealing with active reputational harm, the relevant questions are factual and specific. What was said? By whom? Was it false? Was it published in trade or commerce? What loss has it caused? The answers determine which cause of action applies and what remedy is available.

Trade marks remain an important part of the picture. They are simply not the whole picture. Treating them as such leaves a gap that reputational attackers can exploit, and by the time the gap becomes apparent, the damage may already be done.

About Adam ZuchowskiAdam Zuchowski is a litigation partner at Sutton Laurence King. He advises individuals and businesses on construction disputes, contractual matters, defamation, insolvency and debt recovery. Adam takes a calm, practical approach to dispute resolution.